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  • Interactive CurveModelingwith Applications to Computer Graphics,Vision and Image Processing

    Muhammad Sarfraz

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  • Interactive Curve Modeling

  • M. Sarfraz

    Interactive Curve Modeling

    and Image Processingith Applications to Computer Graphics,

    VisionW

  • M. Sarfraz, BSc, MSc, MSc, PhdDepartment of Information ScienceKuwait UniversitySafat, Kuwait

    and

    Department of Information and Computer ScienceKing Fahd University of Petroleum and MineralsDhahran, Saudi Arabia

    British Library Cataloguing in Publication DataA catalogue record for this book is available from the British Library

    Library of Congress Control Number: 2007926244

    Printed on acid-free paper

    ISBN 978-1-84628-870-8 e-ISBN 978-1-84628-871-5

    c Springer-Verlag London Limited 2008Apart from any fair dealing for the purposes of research or private study, or criticism or review, aspermitted under the Copyright, Designs and Patents Act 1988, this publication may only be reproduced,stored or transmitted, in any form or by any means, with the prior permission in writing of the publishers,or in the case of reprographic reproduction in accordance with the terms of licences issued by theCopyright Licensing Agency. Enquiries concerning reproduction outside those terms should be sent tothe publishers.

    The use of registered names, trademarks, etc. in this publication does not imply, even in the absence ofa specific statement, that such names are exempt from the relevant laws and regulations and thereforefree for general use.

    The publisher makes no representation, express or implied, with regard to the accuracy of the infor-mation contained in this book and cannot accept any legal responsibility or liability for any errors oromissions that may be made.

    9 8 7 6 5 4 3 2 1

    Springer Science+Business Mediaspringer.com

  • To the major contributors to my life:

    My primary school teacher M. Aslam

    My friends Ashfaq and Abid

    My father in memoriam

    My mother

    My wife

    My children Ihsan, Humaira, Inam, and Ikram

  • Interactive curve modeling techniques and their applications are extremely usefulin a number of academic and industrial settings. Specifically, curve modeling playsa significant role in multidisciplinary problem solving. It is extremely useful invarious situations like font design, designing objects, CAD/CAM, medical imag-ing and visualization, scientific data visualization, virtual reality, object recogni-tion, etc. In particular, various problems like iris recognition, fingerprint recog-nition, signature recognition, etc. can also be intelligently solved and automatedusing curve techniques. In addition to its critical importance more recently, thecurve modeling methods have also proven to be indispensable in a variety of mod-ern industries, including computer vision, robotics, medical imaging, visualiza-tion, and even media.

    This book aims to provide a valuable source that focuses on interdisciplinarymethods and to add up-to-date methodologies in the area. It aims to provide theuser community with a variety of techniques, applications, and systems necessaryfor various real-life problems in the areas such as font design, medical visualiza-tion, scientific data visualization, archaeology, toon rendering, virtual reality, bodysimulation, outline capture of images, object recognition, signature recognition,industrial applications, and many others.

    Book Features

    It aims to collect and disseminate information in various disciplines includingcomputer graphics, image processing, computer vision, pattern recognition, artifi-cial intelligence, soft computing, shape analysis and description, curve and surfacefitting, scientific visualization, shape abstraction and modeling, intelligent CADsystems, computational geometry, reverse engineering, and levels of details forcurves and surfaces. The major goal of this book is to stimulate views and providea source where students, researchers, and practitioners can find the latest devel-opments in the field of interactive curve modeling and its applications. The bookprovides classical and up-to-date theory and practice to get the problems solved indiverse areas of science and engineering.

    All the chapters of the book will contribute toward curve modeling techniques,applications, and systems. The book will have the best possible utility for stu-dents, researchers, computer scientists, practicing engineers, and many others whoseek classical and state-of-the-art techniques, applications, and systems with curve

    vii

    Preface

  • viii Preface

    modeling. It will be an extremely useful book for undergraduate senior students aswell as graduate students in the areas of computer science, engineering, and othercomputational sciences.

    Suggested Course Outlines

    This book is designed to have around fifteen chapters. These chapters will con-tribute toward interactive curve modeling techniques, applications, systems, andtools. The book is planned to have the best possible utility for researchers, com-puter scientists, practicing engineers, and many others who seek classical andstate-of-the-art techniques and applications for computer graphics, vision, andimaging. It will also be equally and extremely useful for undergraduate seniorstudents as well as graduate students in the areas of computer science. It is alsobeneficial to students in other disciplines including computer engineering, electri-cal engineering, mechanical engineering, and mathematics. The book is equallybeneficial to researchers and practitioners in the industry and academia.

    The book has been designed as a course book for undergraduate as well as grad-uate students in the area of computer science in particular. The main audience ofthe book are the communities related to the field of computer graphics, vision,and imaging. However, it can be useful for students in other disciplines like com-puter engineering, electrical engineering, mechanical engineering, mathematics,etc. The book is equally beneficial to researchers and practitioners in the industry.The book can formulate at least three courses as follows:

    Course I. As an undergraduate course, at senior level, Chaps. 13, 8, 9, 11 (anytwo corner detectors), 12 (any two methods), 13, and 14 (one heuristicapproach) will comprise a full length three credit hours course for a semesterof 15 weeks. This course can be conducted with practical projects of reason-able weight.

    Course II. As a graduate course consisting of Chaps. 14, 68 (self-study), 9, and1114 (one heuristic approach). This course should also have heavy projectsfor practical applications.

    Course III. As a slightly different graduate course, if the undergraduate coursedescribed in Course I is considered to be a prerequisite. This course can bedesigned with Chaps. 47, 9 (using other curve schemes in the book butdifferent than those in Chap. 9), 1113 (just a quick review), 14, and 15.This course design can also consist of some state-of-the-art topics togetherwith good weighted projects.

    The researchers and practitioners can utilize the manuscript as a source as wellas a reference book. Depending on their needs, they can study on pick and choosebasis. They are also advised to study in their leisure time as it may prove to befruitful to them.

  • Preface ix

    Required Background

    As such, it is not required to possess a specific qualification as a prerequisite to anyof the undergraduate Course I or graduate courses II or III mentioned above. But,the user of this book is presumed to have some knowledge of computer program-ming together with some basic mathematical topics including analytic geometry,linear algebra, and calculus.

    Acknowledgments

    This manuscript has been prepared after a lot of struggle and efforts. Many gradu-ate students and colleagues around the globe have assisted toward its completion.It is worthwhile to mention Asif Masood, Zulfiqar Habib, M. Zawwar Hussain,S. Ali Rizvi, M. Balah, M. Riyazuddin, Humayun Baig, S. Arshad Raza, MurtazaAli Khan, Faisal AbdulRazzak, and M.A. Siddiqui. The author is thankful to allof them for their valuable efforts and advice. A lot of credit is also due to variousexperts who reviewed the chapters and provided helpful feedback.

    It is not possible to forget my family here without whose help and supportI would not have completed this work. Their love, support, and patience weretremendous throughout. In addition to thanking, I should also apologize for hav-ing taken much of their time during the conduct of my work.

    The author is happy to acknowledge the support of King Fahd University ofPetroleum and Minerals (KFUPM) toward the compilation of this book, againstthe Book Project #ICS/GRAPHICS/306. This book project was a main sourceof funding to this book. A partial funded support of KFUPM, through anotherResearch Project #ICS/REVERSE ENG./312, also contributed toward a couple ofchapters.

    M. Sarfraz

  • Contents

    Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii

    1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11.1 Strategy in the Construction of Theory . . . . . . . . . . . . . . 11.2 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

    1.2.